Actuators

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United States of America Patent

PATENT NO 8448432
APP PUB NO 20080190104A1
SERIAL NO

11674600

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Actuators suited for use with, for example, vehicular suspension systems. In some embodiments, the present actuators include a reversible hydraulic pump configured to produce variable hydraulic pressure; a hydraulic cylinder assembly having a cylinder bore, and a piston positioned within the cylinder bore that is axially movable relative to the cylinder bore; and a hydraulic circuit hydraulically coupling the reversible hydraulic pump to the hydraulic cylinder assembly. In these embodiments, actuated axial motion of the piston relative to the cylinder bore is accomplished without the use of check valves, pressure regulating valves, or actively controlled valves.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
THE BOARD OF REGENTS OF THE UNIVERSITY OF TEXAS SYSTEM210 WEST 7TH STREET AUSTIN TX 78701

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bresie, Don Round Rock, US 2 151

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